Method of reducing the contents of haloethynyl-containing impuri

Details Method of reducing the contents of haloethynyl-containing impuri Method of reducing the contents of haloethynyl-containing impuri

1979-10-22

1981-02-10

Trousof, Natalie

Organic compounds -- part of the class 532-570 series

Organic compounds

Carboxylic acid esters

26032632, 2603405R, 26034622, 2603472, 2603474, 260465D, 260941, 260969, 260464, 26034673, 549 41, 549 57, 549 62, 549 66, 549 75, 549 79, 549 58, 549 60, 549 65, 549 77, C07B 2100, C07C 69743

Patent

active

042503264

ABSTRACT:
A method of reducing the content of a haloethynyl-containing impurity in a synthetic dihaloethenylcyclopropanecarboxylate by treatment with a phosphite under condition allowing the haloethynyl-containing impurity and phosphite to chemically interact, and thereafter recovering the dihaloethenylcyclopropanecarboxylate from the reaction mixture is disclosed.

REFERENCES:
patent: 4024163 (1977-05-01), Elliott

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